Metodi 1

alfa(a, b);

public static void alfa(int a, int b)
{
   a=a+b;
}

beta(a, b);

public static void beta(int m, int n)
{
   m=m+n;
}

a=delta(a, b);

public static int delta(int a, int b)
{
   a=a+b;
   return a;
}

gamma(v);

public static void gamma(int[] v)
{
   v[0]=v[0]+v[1];
}

epsilon(v);

public static void epsilon(int[] w)
{
   w[0]=w[0]+w[1];
}

omega(v);

public static void omega(int[] v)
{
   int w[]={ 1, 2, 3 };
   v=w;
}

v=psi();

public static int[] psi()
{
   int w[]={ 1, 2, 3 };
   return w;
}

a=sigma(v, a, b);

public static int sigma(int[] v, int m, int n)
{
   v[0]=m+n;
   v[1]=m-n;
   return v[0]+v[1];
}